anonymous
  • anonymous
Do you know and understand the three methods used to identify sample spaces?
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
@Vocaloid
Vocaloid
  • Vocaloid
...well, do you?
anonymous
  • anonymous
A well-defined sample space is one of three basic elements in a probabilistic model (a probability space); the other two are a well-defined set of possible events (a sigma-algebra) and a probability assigned to each event (a probability measure function).

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anonymous
  • anonymous
no but can you explain what the three methods used to identify sample spaces are? @Vocaloid
anonymous
  • anonymous
well all it is is all of a sample or what you are testing i've never heard of 3 ways to identify it and im in Stat 3
Vocaloid
  • Vocaloid
hm, is there like a textbook or something that goes with your class?
Vocaloid
  • Vocaloid
I guess it would be something like: 1. counting principle 2. tree diagram 3. ????
anonymous
  • anonymous
yea its probably a text book method
anonymous
  • anonymous
i dont know :(
Vocaloid
  • Vocaloid
for the third one, I would guess making a table or just listing out outcomes
anonymous
  • anonymous
could it be these three? 1. independent event 2. compound event 3. tree diagram
Vocaloid
  • Vocaloid
maybe, where did you find those answers?
anonymous
  • anonymous
in my textbook
Vocaloid
  • Vocaloid
go with that then
anonymous
  • anonymous
ok i have more questions :)
anonymous
  • anonymous
Describe and give an example of a compound event?
anonymous
  • anonymous
@Vocaloid
anonymous
  • anonymous
If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the last flip?
anonymous
  • anonymous
is an example
Vocaloid
  • Vocaloid
^
anonymous
  • anonymous
whats the answer to that example?
Vocaloid
  • Vocaloid
uh, the question just asked to describe and give an example, but if you want the answer...
Vocaloid
  • Vocaloid
flipping three coins means that we can consider each coin separately 1. heads on first flip 2. tails on second flip 3. tails on third flip calculate each of those three probabilities separately, then multiply
anonymous
  • anonymous
yea
anonymous
  • anonymous
so whats the answer?
anonymous
  • anonymous
.125
anonymous
  • anonymous
or .5^3
Vocaloid
  • Vocaloid
but do you understand how to find that answer geny?
Vocaloid
  • Vocaloid
that's the important part
anonymous
  • anonymous
yes :)
Vocaloid
  • Vocaloid
explain then
anonymous
  • anonymous
oh i was writing an explanation lol
Vocaloid
  • Vocaloid
geny, please explain how musicdude got the answer 0.5^3
anonymous
  • anonymous
i dont know.. im sorry i didnt want to sound dumb if i said no :(
anonymous
  • anonymous
its .5 *.5*.5 because it is a 1/2 prob of happening for each
anonymous
  • anonymous
do get why now?
anonymous
  • anonymous
yea
anonymous
  • anonymous
its 3 different probs you multiply together because they are compound
anonymous
  • anonymous
so the answer is 0.5^3. How do you say that answer in words?
anonymous
  • anonymous
is it zero . five to the power of 3?
Vocaloid
  • Vocaloid
yeah, or just 0.125, or 1/8
Vocaloid
  • Vocaloid
0.5^3 = 0.125 = 1/8 take your pick
anonymous
  • anonymous
awesome. thanks :)

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